Merge commit '3d4813d99196bb349eccd50a925e2addc8f1622c' into develop

projects/rccl/ext-profiler/example/queue.h

@@ -0,0 +1,50 @@
+/*************************************************************************
+ * Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+ *
+ * See LICENSE.txt for license information
+ ************************************************************************/
+#ifndef QUEUE_H
+#define QUEUE_H
+
+template<typename T, T *T::*next>
+struct profilerQueue {
+  T *head, *tail;
+};
+
+template<typename T, T *T::*next>
+ inline void profilerQueueConstruct(profilerQueue<T,next> *me) {
+  me->head = nullptr;
+  me->tail = nullptr;
+}
+
+template<typename T, T *T::*next>
+ inline bool profilerQueueEmpty(profilerQueue<T,next> *me) {
+  return me->head == nullptr;
+}
+
+template<typename T, T *T::*next>
+inline T* profilerQueueHead(profilerQueue<T,next> *me) {
+  return me->head;
+}
+
+template<typename T, T *T::*next>
+ inline T* profilerQueueTail(profilerQueue<T,next> *me) {
+  return me->tail;
+}
+
+template<typename T, T *T::*next>
+ inline void profilerQueueEnqueue(profilerQueue<T,next> *me, T *x) {
+  x->*next = nullptr;
+  (me->head ? me->tail->*next : me->head) = x;
+  me->tail = x;
+}
+
+template<typename T, T *T::*next>
+ inline T* profilerQueueDequeue(profilerQueue<T,next> *me) {
+  T *ans = me->head;
+  me->head = ans->*next;
+  if (me->head == nullptr) me->tail = nullptr;
+  return ans;
+}
+
+#endif